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@article{ZR_1976_1_9_a5, author = {M. Hosszu and M. Csik\'o}, title = {Normenquadrat {\"Uber} {Gruppen}}, journal = {Zbornik radova}, pages = {35 }, publisher = {mathdoc}, volume = {1}, number = {9}, year = {1976}, url = {http://geodesic.mathdoc.fr/item/ZR_1976_1_9_a5/} }
M. Hosszu; M. Csikó. Normenquadrat Über Gruppen. Zbornik radova, Tome 1 (1976) no. 9, p. 35 . http://geodesic.mathdoc.fr/item/ZR_1976_1_9_a5/